<abstract xmlns="http://www.w3.org/1999/xhtml">

The public transport system has an essential role in the sustainability of the urban environment. The accessibility is one of the critical functions for the increase of public transport efficiency. In this framework, the paper presents a methodology to enhance the accessibility of the public transport network. The methodology aims to design a network of dedicated bus lanes to operate in areas with low accessibility and improve the connections to metro and tram lines that provide rapid and high-capacity services.
</abstract>

Associate Professor, Polytechnic University of Bucharest

Assistant, PhD. Student, Polytechnic University of Bucharest

PhD. Student, Polytechnic University of Bucharest

Network of Dedicated Bus Lanes: A Solution to Increase the Accessibility of the Urban Intermodal Transport

<abstract xmlns="http://www.w3.org/1999/xhtml">

The connections with end plates and bolts can be used in steel bridge structures, or joining the decking beams, which can lead to very simple and economical constructive solutions. The paper presents some theoretical aspects concerning the behavior and calculation of the end plate connections which is partially pre-tensioned by high-strength bolts, and supplementary a welded cover plate is added to the tensioned flange of the plate girder. In the case of connections subjected to tension forces, it is not recommended to prestress the bolts as much as is the case when the joints are subjected only to shear because live loads can lead to the overloading of the bolts; the overload is a function of the relative stiffness of the end plate and of the bolts. The additional welded splice at the tension flange contributes to the transfer of the large tension stresses from the extreme bolts to the welded cover plate, resulting in a significantly reduced joint assembly loading and an increased load-bearing capacity. The paper includes a numerical example highlighting the influence of the stiffness of the joint elements and of the welded splice-plate on the joint loading, considering its pre-tensioning effect from the cooling contraction of the longitudinal welding fillets.
</abstract>

Associated Professor at the Department of Railway, Roads and Bridges, Faculty of Civil Engineering

Lecturer at the Department of Structures, Faculty of Civil Engineering

Lecturer at the Department of Railway, Roads and Bridges, Faculty of Civil Engineering

Connections of Steel Girders with End Plates and Partially Prestressed Bolts

<abstract xmlns="http://www.w3.org/1999/xhtml">

Rail transport developments seem to offer tremendous benefits to land use and spatial development. As the development of rail lines induces land use growth and development. However, the veracity of this claim remains unclear in the context of Nigeria rail resuscitation efforts. This research intends to examine the correlation between rail development and land use in Nigeria. The association between state population characteristics, rail line development, population density, and square kilometres is examined. The methodology comprises both qualitative and quantitative designs. The correlation coefficients are used to establish a relationship between the parameters used in the research. The study reveals that spatial development and land uses are greatly influenced by rail transportation infrastructure provision in the state with a rail line. The analysis reveals a positive relationship between rail line development and population density. Therefore, more investment and better management are needed to facilitate nationwide rail transportation links.
</abstract>

Department of Transport Management, Faculty of Management Sciences PMB 230

Department of Transport Management, Faculty of Management Sciences

Spatiotemporal Correlation Between Railway Transport Development and Land Use

<abstract xmlns="http://www.w3.org/1999/xhtml">

The inspection of bridges is an essential activity to maintain the viability and safe operation of these structures. The inspection process shall be carried out by visual means using special equipment called bridge inspector. The equipment is similar in design to mobile crane installations – crane lorries, with the rotating part in the form of a boom at the end of which is the work platform for personnel and tools. The structure of the arm has the shape of a lattice girder or beams with closed section (caisson); regardless of the type of construction there is at least one telescopable section. During use, the installation is positioned on the superstructure of the bridges, supporting it by means of folding or telescopic outriggers.
Starting from the determination of the loads on the supports of a crane, loads necessary to ensure the stability, in the case study presented in the paper, the authors identify for bridge inspection equipment the value of the loads transmitted through the support system for different positions of the telescopic arm. These values are of interest when, due to space or omission, the outriggers of the installation are positioned on sidewalks or degraded structures and may cause loss of stability leading to technical damage (of the installation and the bridge) but also possible injuries to workers.
</abstract>

Assistant Prof. PhD. Eng. Faculty of Technological Equipment

Technical University of Civil Engineering Bucharest

Assistant Prof. PhD Eng., Faculty of Technological Equipment

Considerations on Loads Transmitted By the Bridge Inspection Installation on Support Structures

<abstract xmlns="http://www.w3.org/1999/xhtml">

For ensuring an ideal recycling rate, the extending producer responsibility (Extending Producer Responsibility) has been recognized by more and more governments. And an increasing number of original vehicle manufacturers (Original Vehicle Manufacturers) participated in their End-of-Life vehicles (End-of-Life Vehicles) reusing to fulfil their social responsibility. The Original Vehicle Manufacturers can do well in auto parts remanufacturing due to their knowledge and skills of vehicle manufacturing, and the third-party vehicle recyclers are more capable of recycling the End-of-Life Vehicles due to their skills and facilities of waste recycling. To better improve the End-of-Life Vehicle reusing businesses and improve the efficiency and quality of End-of-Life Vehicle recycling and remanufacturing, this research built a remanufacturing system with dual-cycle End-of-Life Vehicle recycling. Moreover, for the well operation of this system, the researchers established the game model between Original Vehicle Manufacturers and third-party recyclers with the government involved and analyzed this model with evolutionary game theory. This research found that there are two evolutionary stable strategies (ESS) for the two groups. For well operation of remanufacturing system with dual-cycle End-of-Life Vehicle recycling, the government need to use the Extending Producer Responsibility policy to impose strict restrictions on Original Vehicle Manufacturers doing End-of-Life Vehicle recycling through promoting Original Vehicle Manufacturers’ recycling quantity standard and the penalty for insufficient End-of-Life Vehicle recycling. Further, this research also found that the licensing fee that the third-party recycler needs to pay the Original Vehicle Manufacturer for getting the recycling business plays a vital role in the ESS.
</abstract>

The Decision-Making Analysis on End-of-Life Vehicle Recycling Extending Producer Responsibility Policy in the Context of Remanufacturing

AHEAD OF PRINT

Volume 12 (2023): Issue 2 (December 2023)

Volume 12 (2023): Issue 1 (July 2023)

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Volume 10 (2021): Issue 2 (December 2021)

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Volume 9 (2020): Issue 2 (December 2020)

Volume 9 (2020): Issue 1 (July 2020)

Volume 8 (2019): Issue 2 (December 2019)

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Volume 7 (2018): Issue 2 (December 2018)

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Volume 6 (2017): Issue 2 (December 2017)

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Volume 1 (2012): Issue 1 (December 2012)

Romanian Journal of Transport Infrastructure

Through its appearance (twice per year) magazine aims to be a high-quality scientific source of information for researchers, academics, engineers, practitioners, policy – makers, PhDs, students and anyone interested in various issues related to transport infrastructure: roads, bridges, railways and geotechnics.  The aim of the journal is to reflect the results of fundamental and applied research at a high level, maintained through a rigorous peer review performed by specialists, well known in the field, both at national and international level.  Romanian Journal of Transport Infrastructure (RJTI) involves the design, manufacture and maintenance of all categories of roads, airports, bridges, railways, tunnels and all types of transportation mean. The journal deals also with the materials and technologies in transport infrastructure and transportation engineering.  Welcome to receive original research papers involving latest discoveries and improvements in this area.  Archiving  Sciendo archives the contents of this journal in Portico - digital long-term preservation service of scholarly books, journals and collections.  Plagiarism Policy  The editorial board is participating in a growing community of Similarity Check System's users in order to ensure that the content published is original and trustworthy. Similarity Check is a medium that allows for comprehensive manuscripts screening, aimed to eliminate plagiarism and provide a high standard and quality peer-review process. 